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30043901 is a prime number
BaseRepresentation
bin111001010011…
…0111011111101
32002112101111002
41302212323331
530142401101
62551540045
7513240356
oct162467375
962471432
1030043901
1115a60478
12a08a625
1362bbc74
143dc0d2d
152986d6b
hex1ca6efd

30043901 has 2 divisors, whose sum is σ = 30043902. Its totient is φ = 30043900.

The previous prime is 30043847. The next prime is 30043943. The reversal of 30043901 is 10934003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15405625 + 14638276 = 3925^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 30043901 - 26 = 30043837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30043961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021950 + 15021951.

It is an arithmetic number, because the mean of its divisors is an integer number (15021951).

Almost surely, 230043901 is an apocalyptic number.

It is an amenable number.

30043901 is a deficient number, since it is larger than the sum of its proper divisors (1).

30043901 is an equidigital number, since it uses as much as digits as its factorization.

30043901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30043901 is about 5481.2317046445. The cubic root of 30043901 is about 310.8747440717.

Adding to 30043901 its reverse (10934003), we get a palindrome (40977904).

The spelling of 30043901 in words is "thirty million, forty-three thousand, nine hundred one".